The Gear,spur, cataloged under National Stock Number 3020-00-734-5490, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Curtiss-Wright Controls, Inc. Div Actuation Division. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-734-5490 |
| Primary Part Number | A100272 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Curtiss-Wright Controls, Inc. Div Actuation Division |
| Status | ACTIVE |
| Keyway Nominal Width | 0.158 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 1.500 INCHES FIRST END IN |
| Hub Nominal Diameter | 1.500 INCHES SECOND END IN |
| Teeth Quantity | 75 |
| Precision Classification | QUALITY NUMBER 5 OR QUALITY NUMBER 6 |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Overall Length | 1.178 INCHES IN |
| Style Designator | ONE PROTRUDING HUB, ONE RECESSED HUB |
| Pitch Diameter | 7.5000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Pressure Angle | 20.0000 DEGREES |
| Face Nominal Width | 0.750 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A100272 PRIMARY | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
| Reference | Meaning |
|---|---|
| A-100272 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Flight Systems/shelby Inc |
NSN 3020-00-734-5490 is a Gear,spur, manufactured by Curtiss-Wright Controls, Inc. Div Actuation Division, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-734-5490 has 1 manufacturer part number on file: A100272 (Curtiss-Wright Controls, Inc. Div Actuation Division).
Key specifications for A100272: Keyway Nominal Width: 0.158 INCHES BOTH ENDS IN; Hub Nominal Diameter: 1.500 INCHES FIRST END IN; Hub Nominal Diameter: 1.500 INCHES SECOND END IN; Teeth Quantity: 75. 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.